Applied Mechanics and Graphic Statics A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is 119.5 mm from A 132.5 mm from A 109.5 mm from A 125.5 mm from A 119.5 mm from A 132.5 mm from A 109.5 mm from A 125.5 mm from A ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about (Assume g = 10 m/sec²) 43834 43833 43835 43832 43834 43833 43835 43832 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction is Difference of the forces multiplied by cosine θ° Sum of the forces multiplied by the tangent θ° Arithmetical sum of the resolved parts of the forces in the direction Algebraic sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° Sum of the forces multiplied by the tangent θ° Arithmetical sum of the resolved parts of the forces in the direction Algebraic sum of the resolved parts of the forces in the direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P cos θ/2 2P sin θ/2 P tan θ/2 2P cos θ/2 P cos θ/2 2P sin θ/2 P tan θ/2 2P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are: 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec 3 m/sec and 3 m/sec 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec 3 m/sec and 3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if Algebraic sum of the moments of the forces about the point is zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero Algebraic sum of the moments of the forces about the point is zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero ANSWER DOWNLOAD EXAMIANS APP